To cite GNE in publications use:

Christophe D (2014). GNE: computation of generalized Nash Equilibria. R package version 0.99-0, http://CRAN.R-project.org/package=GNE.

Corresponding BibTeX entry:

  @Manual{,
    title = {{GNE}: computation of generalized Nash Equilibria},
    author = {Dutang Christophe},
    year = {2014},
    note = {R package version 0.99-0},
    url = {http://CRAN.R-project.org/package=GNE},
  }